void-packages/lib/util.c

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/*-
* Copyright (c) 2008 Juan Romero Pardines.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
#include <xbps_api.h>
static const char *rootdir;
const char *
xbps_get_pkg_version(const char *pkg)
{
const char *tmp;
assert(pkg != NULL);
/* Get the required version */
tmp = strrchr(pkg, '-');
assert(tmp != NULL);
return tmp + 1; /* skip first '-' */
}
char *
xbps_get_pkg_name(const char *pkg)
{
const char *tmp;
char *pkgname;
size_t len = 0;
assert(pkg != NULL);
/* Get the required version */
tmp = strrchr(pkg, '-');
assert(tmp != NULL);
len = strlen(pkg) - strlen(tmp) + 1;
/* Get package name */
pkgname = malloc(len);
memcpy(pkgname, pkg, len - 1);
pkgname[len - 1] = '\0';
return pkgname;
}
bool
xbps_pkg_has_rundeps(prop_dictionary_t pkg)
{
prop_array_t array;
assert(pkg != NULL);
array = prop_dictionary_get(pkg, "run_depends");
if (array && prop_array_count(array) > 0)
return true;
return false;
}
void
xbps_set_rootdir(const char *dir)
{
assert(dir != NULL);
rootdir = dir;
}
bool
xbps_append_full_path(bool use_rootdir, char *buf, const char *basedir,
const char *plistf)
{
const char *env;
assert(buf != NULL);
assert(plistf != NULL);
if (basedir)
env = basedir;
else
env = XBPS_META_PATH;
if (rootdir && use_rootdir) {
if (snprintf(buf, PATH_MAX - 1, "%s/%s/%s",
rootdir, env, plistf) < 0) {
errno = ENOSPC;
return false;
}
} else {
if (snprintf(buf, PATH_MAX - 1, "%s/%s",
env, plistf) < 0) {
errno = ENOSPC;
return false;
}
}
return true;
}